Pack includes 3 pairs of training socks. Breathable mesh top lets you vent. Go-Dry moisture-wicking technology keeps you dry & comfortable. Cushioned heel and toe for added comfort. Soft, microfiber knit, with comfortable stretch. Old Navy Active logo graphic at ribbed openings. Sizes S/M = 7-10 shoe size. Sizes L/XL = 10 1/2-12 1/2 shoe size. Machine wash cold, tumble dry low.